At the Start Game screen, in either Pre-Season or Season Play press L1, R1, L2, R2. This will bring you to the easter egg screen where you enter codes for the game. To delete an easter egg, enter the code "DOC".

ASSASSIN:
Injuries up

ATOMIC BOMB:
Explosion on hard hits

BAZOOKA:
Quarterback has stronger arm

BIG GIRLS:
Cheerleaders are bigger

BIG STARS:
Better players are bigger

BLASTERS:
More time to pop a receiver and get the ball out

BLIND REF:
Referee misses calls

BLIZZARD:
Lots of snow

BO KNOWS:
Shoulder charge

BRITTLE:
More injuries

BROADWAY JOE:
Quarterback is slower but more accurate

BUSY REF:
Referee calls more penalties

BUTKAS:
Defense hits harder

CREDITS:
View the game's credits

CRUNCHY:
Hits are louder

DARK NIGHT:
Darker in stadium

DEFENSE:
Better defense

DEMPSEY:
Field-goal range increases

DERVISH:
Spins are more effective

DOC:
Players don't get hurt

ELECTRIC FB:
Players twitch

EQUALIZER:
Most players are equal

FLEA CIRCUS:
Players are really small

FRIDGE:
Players are bigger

FROG:
Players jump higher

GB SPEED:
Play is much faster

GD CHALLENGE:
Computer is harder

GENIUS:
Computer is smarter

GLOVES:
Players catch more passes

GOLIATH:
Players are bigger and sound like monsters

HANG TIME:
Punts and kickoffs stay in the air longer

HATCHET:
Forearm shiver juiced

HOGS:
Offensive line blocks better

HOME COOKING:
Home team has no call-pass interference or personal fouls

ICE SKATES:
Players slip around

INFAMOUS POP UPS:
Receivers pop the ball very high when hit

INJURIES UP:
More injuries

INJURIES DOWN:
Fewer injuries

JUGGLER:
One handed catches are less effective

JUICE:
Speed burst is better

KARATE:
Forearm shiver becomes karate chop

KRAIG:
More fumbles

LONG JUMP:
Players dive further

LOUD MOUTH:
Commentator is louder

MANDARICH:
Offensive line is at a disatvantage

NO TIME:
Unlimited time

NYSE:
Swim move is juiced

OFFENSE:
Better offense

OUCH:
If hit in the air....... Ouch!

PANCAKE:
Blockers knock over defenders more frequently

PINBALL:
Stronger forearm shiver

PISTON:
Jackhammer off a stiff arm

REJECTION:
Defensive players jump higher

SAYERS:
Opposing defensive players miss tackles

SCRAMBLER:
Quarterback moves faster

SHOUT:
Crowd is louder

SLO MO:
Play is slower

SQUALL:
More wind in rain

STEROIDS:
Recover specials faster and computer players are faster

STRETCH:
Jump higher on one handed catches

TEMPEST:
Stadium turns real dark

TIGHT COVER:
Defense covers receivers closer

TOAST:
Secondary plays farther off receivers

TORRETA:
Quarterback lobs passes

TWISTER:
Wind is very strong